Home / 42,103,029.31-63,154,507.03-15,846,770.48

Finding the Fourth Proportional to 42,103,029.31, 63,154,507.03 and 15,846,770.48

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Solution

The fourth proportional to 42,103,029.31, 63,154,507.03 and 15,846,770.48 is: 23,770,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103,029.31 : 63,154,507.03 = 15,846,770.48 : x
  2. Step 2: Convert to fraction form
    42,103,029.31/63,154,507.03 = 15,846,770.48/x
  3. Step 3: Cross multiply
    42,103,029.31x = 63,154,507.03 × 15,846,770.48
  4. Step 4: Simplify right side
    42,103,029.31x = 1,000,794,977,326,567
  5. Step 5: Solve for x
    x = 1,000,794,977,326,567/42,103,029.31
  6. Step 6: Final answer
    x = 23,770,141.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.